Marked prices here include GST (VAT or whatever you want to call it) and deposit where applicable.
I didn't realise prices in the US didn't include tax until I actually bought something over there.
There's a reason for this, at least insofar as sales taxes are concerned.
There was a famous court case in Nebraska during the late 1960s, after Nebraska had instituted a sales tax.
Some merchants were charging the sales tax per individual item, when the sales tax was intended to be cumulative, not per-item. As one can imagine, the per-item sales tax is always more than the cumulative sales tax.
What I recall of it was that some were being charged one cent tax for each of two 15-cent items (this was a long time ago, remember; when 15 cents was something), when the state sales tax said that the tax on 30 cents was one cent, period.
The court said the sales tax was to apply to the total amount of purchases, not per item.
In compaq's cited example above, if he purchased other items besides just the iced tea, probably the iced tea should cost him only $1.19 instead of $1.23, or whatever.